3 years ago

What is the factored form of the expression? r^2 - 6r + 5

Mathematics

1 answer:

zubka84 [21]3 years ago

8 0

Answer:

$r^{2}-6r+5= (r-1)(r-5)$

Step-by-step explanation:

You can use the quadratic formula to find the root.

It's probably easier to recognize that (-1)(-5) = 5 and -1-5=-6, so the roots are -1 and -5.

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What is the value of x

Mrac [35]

Answer:

x=127°

Step-by-step explanation:

The sum of the interior angles of a polygon is given by:

$(n - 2) \times 180$

For a 6- sided polygon, the sum of interior angles is

$(6 - 2) \times 180$

$4 \times 180 = 720$

We add the interior angles and equate them to 720°

x+112°+133°+128°+100°+120°=720°

x+593=720

x=720-593

x=127°

8 0

3 years ago

Robby ate 5 potato chips. Jimmy ate p times as many potato chips as Robby. Which expression shows how many potato chips Jimmy at

mario62 [17]

Answer:

Step-by-step explanation:

Since Robby ate 5 potato chips and Jimmy ate p times that then you have to multiply them together.

Our final expression is 5p.

Hope this helped :)

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3 years ago

In class of 160 students, 90 are taking math, 78 are taking science, and 62 are taking both math and science. What is the probab

Sphinxa [80]

Hi!

All of the students that are ONLY taking math is 90.

That is 90/160 kids taking only math.

90/160 simplified = 9/16

The answer is 9/16

Hope this helps! :)

5 0

3 years ago

What is the factorization of the polynomial 2x2 + 24x + 72

Reil [10]

Answer:

$2(x+6)^2$

Step-by-step explanation:

$2x^2 + 24x + 72 = 2(x^2 + 12x + 36) = 2(x+6)^2$

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3 years ago

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Serga [27]

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7 0

2 years ago